Scientific Name
Alstonia angustiloba Miq.
Synonyms
Alstonia angustiloba var. glabra Koord. & Valeton, Alstonia calophylla Miq., Paladelpha angustiloba (Miq.) Pichon [1]
Vernacular Name
| Malaysia | Pulai (Peninsula); pulai bukit (Sarawak)[2][3] |
| Indonesia | Pulai hitam [2][3] |
| Thailand | Tin pet lek (Songkhla) [2][3] |
| Brunei | Pulai lilin (Malay) [2][3]. |
Geographical Distributions
Alstonia angustiloba can be found in Thailand, Peninsular Malaysia, Singapore, Sumatra, Java and Borneo. This plant grows on a wide variety of soils and is common in mixed dipterocarp forest on low hills and undulating land, and in freshwater swamp forest, up to 200 m altitude. It becomes abundant in secondary forest and is apparently a fast-growing light demander. [2]
Botanical Description
A. angustiloba comes from the family Apocynaceae. It is a medium-sized to large tree which can reach measuring up to 45 m tall. Its bole is tall, straight, fluted, measures up to 100 cm in diametre, straight buttresses, measuring up to 8 m tall and spreads out at the base for measures about 1.5 m. The outer bark is brown or grey to whitish, rough, fissured and peels off in rectangular flakes. The inner bark is mottled, yellow-brown and with copious latex. [2]
The leaves are in whorls of 4-7(-9), elliptical to obovate, with a size measuring 4.5-22 cm x 2-7 cm, subacuminate or obtuse and with 30-60(-70) pairs of secondary veins. The petiole is 10-20(-30) mm long. [2]
The inflorescence is usually forms 2 umbels above each other, many-flowered and measures with 1-3 mm long pedicel. The sepal is hirtellous while the petal is hairless outside. [2]
The follicles are brownish hairy. [2]
Cultivation
No documentation
Chemical Constituent
No documentation
Plant Part Used
No documentation
Traditional Use
No documentation
Preclinical Data
No documentation
Clinical Data
No documentation
Poisonous Management
No documentation.
Line Drawing
References
- The Plant List. Ver 1.1. Alstonia angustiloba Miq.[homepage on the Internet]. c2013. [updated 2012 March 23; cited 2015 April 02] Available from: http://www.theplantlist.org/tpl1.1/record/kew-7001
- Teo SP. Alstonia angustiloba Miq. In: van Valkenburg JLCH, Bunyapraphatsara N, editors. Plant Resources of South-East Asia No. 12(2): Medicinal and poisonous plants 2. Leiden, Netherlands: Backhuys Publisher; 2001. p. 65-66.
- Umberto Q. CRC World Dictionary of Medicinal and Poisonous Plants: Common Names, Scientific Names, Eponyms, Synonyms, and Etymology (5 Volume Set). Boca raton, FL: CRC Press; 2012. p. 208
